1. Synergetic Innovation Center for Quantum Effects and Application, Key Laboratory of Low-dimensional Quantum Structures and Quantum Control of Ministry of Education, School of Physics and Electronics, Hunan Normal University, Changsha 410081, People’s Republic of China
2. Institute of Physics and Electronic Engineering, Sichuan University of Science and Engineering, Zigong 643000, People’s Republic of China
3. Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systems, School of Physics, Beijing Institute of Technology, Beijing 100081, People’s Republic of China